45 1001 ELKINS, JAMES; MOORE, FRED; RAY, ERIC; DUTTON, GEOFF; WAMSLEY, PAULA U.S. DEPT OF COMMERCE, NOAA / CMDL / HALOCARBONS AND OTHER ATMOSPHERIC TRACE SPECIES GROUP LACE ACCENT 1 1 1999 09 15 2001 02 07 0 ELAPSED TIME IN SECONDS FROM 00:00:00 GMT ON SAMPLE DATE 8 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 9999.00 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 Mean Age of Air (years) Mean Age Error (1-sd) (years) Total Br (ppt) Total Organic Br (ppt) Total Inorganic Br (ppt) Total Cl (ppb) Total Organic Cl (ppb) Total Inorganic Cl (ppb) 22 The mean age (Age) of each sampled air mass was determined from the corresponding LACE measurement of SF6 and the documented tropospheric trend of SF6 [Geller et al., 1997] using a variation of the mean age formula in Volk et al. [1997]. We use a dG = 0.0 . This term has never represented a delay from the surface to the tropopause. It contains spatial information about transport from the surface interhemispheric gradient. Total organic chlorine (CCly) was calculated from LACE in-situ measurements of CFC-11, CFC-12, CFC-113, CH3CCl3, and CCl4. Contributions to CCly from CH3Cl and HCFC-22 (not measured by LACE) were calculated from their correlations with tracers measured by LACE. Total organic bromine (CBry) was calculated from LACE in-situ measurements of halon-1211. Contributions to CBry from CH3Br, halon-2402, halon-1301, CH2Br2, and CH2BrCl (not measured by LACE) were calculated from their correlations with tracers measured by LACE using the formula in Wamsley et al. [1997]. The total chlorine (TotalCl) and total bromine (TotalBr) content of each sampled air mass was calculated from the documented tropospheric trends of chlorinated and brominated trace gases (e.g., Montzka et al., [1996]) and a calculated mean age spectrum from Hall & Plumb, 1994. Total inorganic chlorine (Cly) and total inorganic bromine (Bry) were calculated as TotalCl-CCly and TotalBr-CBry, respectively. Isentropic mixing voids these calculations below a potential temperature of 380K. 1 GMTs Age AgeERR TotalBr CBry Bry TotalCl CCly Cly 55583 9999.00 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 55653 9999.00 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 55723 9999.00 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 55793 9999.00 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 55933 9999.00 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 56003 9999.00 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 56073 9999.00 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 56143 9999.00 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 56213 9999.00 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 56353 9999.00 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 56423 9999.00 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 56493 9999.00 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 56563 9999.00 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 56633 1.14 0.20 19.457 19.018 0.439 3.405 3.255 0.149 56773 1.31 0.20 19.457 19.215 0.242 3.410 3.254 0.156 56843 1.22 0.20 19.459 19.230 0.229 3.407 3.266 0.141 56913 1.14 0.20 19.457 19.190 0.267 3.404 3.259 0.146 56983 9999.00 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 57053 9999.00 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 57193 9999.00 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 57263 9999.00 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 57333 9999.00 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 57403 1.00 0.20 19.447 19.052 0.395 3.400 3.254 0.146 57473 9999.00 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 57613 0.93 0.20 19.440 19.360 0.081 3.398 3.276 0.122 57683 0.81 0.20 19.425 19.107 0.318 3.395 3.269 0.126 57753 0.75 0.19 19.419 19.289 0.130 3.394 3.274 0.120 57823 9999.00 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 57893 1.15 0.20 19.457 19.196 0.261 3.405 3.269 0.136 58033 9999.00 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 58103 9999.00 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 58173 9999.00 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 58243 9999.00 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 58313 9999.00 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 58453 9999.00 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 58523 9999.00 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 58593 9999.00 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 58663 9999.00 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 58733 9999.00 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 58873 9999.00 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 58943 9999.00 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 59013 9999.00 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 59083 1.03 0.20 19.450 19.411 0.039 3.401 3.296 0.105 59153 0.98 0.20 19.445 19.306 0.139 3.400 3.279 0.120 59293 1.24 0.20 19.459 18.979 0.480 3.408 3.255 0.153 59363 1.10 0.20 19.455 19.059 0.396 3.403 3.268 0.135 59433 0.80 0.19 19.424 19.638 -0.214 3.395 3.303 0.092 59503 9999.00 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 59573 9999.00 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 59713 9999.00 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 59783 9999.00 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 59853 9999.00 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 59923 9999.00 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 59993 9999.00 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 60133 9999.00 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 60203 9999.00 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 60273 1.15 0.20 19.458 19.096 0.362 3.405 3.254 0.151 60343 1.14 0.20 19.457 19.089 0.368 3.404 3.254 0.150 60413 1.32 0.20 19.457 19.222 0.235 3.410 3.254 0.156 60553 1.06 0.20 19.452 19.172 0.280 3.402 3.271 0.131 60623 1.50 0.20 19.440 19.101 0.339 3.416 3.249 0.167 60693 9999.00 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 60763 1.31 0.20 19.457 18.950 0.507 3.410 3.246 0.164 60833 1.10 0.20 19.455 19.218 0.237 3.403 3.270 0.133 60973 1.16 0.20 19.458 19.693 -0.235 3.405 3.291 0.114 61043 1.67 0.20 19.412 18.182 1.229 3.421 3.187 0.234 61113 1.73 0.20 19.398 17.505 1.893 3.423 3.142 0.281 61183 1.65 0.20 19.415 17.225 2.191 3.420 3.115 0.305 61253 1.87 0.20 19.365 16.957 2.408 3.426 3.093 0.334 61393 1.86 0.20 19.366 16.905 2.461 3.426 3.098 0.328 61463 1.59 0.20 19.427 16.661 2.766 3.418 3.068 0.351 61533 1.94 0.20 19.346 16.551 2.795 3.428 3.057 0.371 61603 1.93 0.20 19.347 16.894 2.453 3.428 3.089 0.339 61673 1.96 0.20 19.340 16.768 2.572 3.429 3.075 0.353 61813 2.03 0.20 19.320 16.452 2.868 3.430 3.059 0.372 61883 1.96 0.20 19.338 16.552 2.786 3.429 3.061 0.368 61953 1.88 0.20 19.362 16.473 2.889 3.426 3.045 0.382 62023 1.94 0.20 19.346 16.270 3.076 3.428 3.034 0.394 62093 1.89 0.20 19.360 16.319 3.041 3.427 3.043 0.384 62233 1.79 0.20 19.383 16.347 3.036 3.424 3.042 0.383 62303 1.96 0.20 19.340 16.395 2.945 3.429 3.050 0.378 62373 1.60 0.20 19.424 16.493 2.931 3.419 3.048 0.371 62443 1.69 0.20 19.406 16.363 3.043 3.421 3.041 0.380 62513 1.99 0.20 19.331 16.485 2.846 3.429 3.051 0.378 62653 1.77 0.20 19.389 16.842 2.547 3.424 3.096 0.328 62723 1.67 0.20 19.412 16.610 2.801 3.421 3.073 0.348 62793 1.87 0.20 19.364 16.726 2.638 3.426 3.078 0.348 62863 1.86 0.20 19.366 16.700 2.667 3.426 3.066 0.360 62933 1.87 0.20 19.363 16.637 2.726 3.426 3.067 0.360 63073 1.61 0.20 19.423 16.959 2.464 3.419 3.094 0.325 63143 1.89 0.20 19.359 16.837 2.523 3.427 3.085 0.342 63213 2.21 0.20 19.264 15.815 3.449 3.435 2.992 0.443 63283 2.12 0.20 19.292 15.692 3.600 3.433 2.985 0.448 63353 2.04 0.20 19.315 15.772 3.543 3.431 2.995 0.436 63493 1.85 0.20 19.370 15.792 3.579 3.426 3.006 0.419 63563 2.02 0.20 19.321 15.796 3.525 3.430 2.990 0.440 63633 1.92 0.20 19.352 15.865 3.487 3.428 3.000 0.428 63703 1.91 0.20 19.353 15.814 3.539 3.427 2.998 0.430 63773 2.05 0.20 19.312 15.959 3.353 3.431 3.013 0.418 63913 1.83 0.20 19.373 15.871 3.503 3.425 3.011 0.415 63983 2.29 0.21 19.236 15.735 3.501 3.437 2.992 0.445 64053 2.17 0.21 19.277 15.270 4.007 3.434 2.953 0.481 64123 2.01 0.20 19.325 15.172 4.153 3.430 2.941 0.489 64193 2.12 0.20 19.292 15.326 3.966 3.433 2.961 0.472 64333 2.58 0.21 19.138 15.091 4.047 3.444 2.926 0.518 64403 2.29 0.21 19.238 14.568 4.670 3.437 2.895 0.542 64473 2.33 0.21 19.223 14.353 4.870 3.438 2.873 0.565 64543 2.70 0.21 19.098 13.259 5.839 3.446 2.753 0.692 64613 2.53 0.21 19.157 13.350 5.808 3.442 2.757 0.685 64753 2.31 0.21 19.229 14.117 5.113 3.437 2.850 0.588 64823 2.82 0.21 19.056 13.597 5.460 3.448 2.778 0.670 64893 2.37 0.21 19.210 14.487 4.723 3.439 2.871 0.568 64963 2.36 0.21 19.212 13.556 5.656 3.439 2.775 0.664 65033 2.61 0.21 19.128 14.275 4.853 3.444 2.863 0.581 65173 2.55 0.21 19.149 14.352 4.797 3.443 2.872 0.571 65243 2.46 0.21 19.180 14.494 4.686 3.441 2.882 0.559 65313 2.30 0.21 19.233 14.134 5.098 3.437 2.849 0.589 65383 2.49 0.21 19.171 14.242 4.930 3.441 2.853 0.589 65453 2.55 0.21 19.151 13.599 5.552 3.443 2.794 0.648 65593 2.19 0.20 19.269 15.851 3.417 3.435 3.005 0.430 65663 1.61 0.20 19.423 17.322 2.101 3.419 3.119 0.300 65733 1.53 0.20 19.436 18.715 0.721 3.417 3.228 0.189 65803 9999.00 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 65873 9999.00 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 66013 9999.00 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 66083 9999.00 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 66153 9999.00 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 66223 9999.00 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 66293 9999.00 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 66433 9999.00 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 66503 9999.00 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 66573 0.93 0.20 19.440 20.034 -0.594 3.398 3.304 0.094 66643 9999.00 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 66713 9999.00 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 66853 1.06 0.20 19.452 19.992 -0.539 3.402 3.304 0.098 66923 1.01 0.20 19.448 19.925 -0.477 3.401 3.293 0.108 66993 1.03 0.20 19.450 19.929 -0.479 3.401 3.294 0.107 67063 0.85 0.20 19.430 19.997 -0.567 3.396 3.304 0.092 67133 0.94 0.20 19.441 19.930 -0.489 3.399 3.305 0.093 67273 1.02 0.20 19.449 19.984 -0.534 3.401 3.304 0.097 67343 1.02 0.20 19.449 20.297 -0.848 3.401 3.316 0.084 67413 9999.00 9999.00 9999.000 20.195 9999.000 9999.000 3.316 9999.000 67483 9999.00 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 67553 9999.00 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 67693 9999.00 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 67763 9999.00 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 67833 9999.00 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 67903 9999.00 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 67973 9999.00 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 68113 9999.00 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 68183 9999.00 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 68253 9999.00 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 68323 9999.00 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 68393 9999.00 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 68533 9999.00 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 68603 9999.00 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 68673 9999.00 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 68743 9999.00 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 68813 9999.00 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 68953 9999.00 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 69023 9999.00 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 69093 9999.00 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 69163 9999.00 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 69233 9999.00 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 69373 9999.00 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 69443 9999.00 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 69513 9999.00 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 69583 9999.00 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 69653 9999.00 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 69793 9999.00 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 69863 9999.00 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 69933 9999.00 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 70003 9999.00 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 70073 9999.00 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 70213 9999.00 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 70283 9999.00 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 70353 9999.00 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 70423 9999.00 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 70493 9999.00 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 70633 9999.00 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 70703 9999.00 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 70773 9999.00 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 70843 9999.00 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 70913 9999.00 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 71053 9999.00 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 71123 9999.00 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 71193 9999.00 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000